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Published Jul 12, 2005 | Updated Sep 15, 2017

VirTool:Win95/Macpro.B

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

VirTool:Win95/Macpro.B is a virtual device driver that hides files and folders on computers running Windows 9x.
To recover manually from VirTool:Win95/Macpro.B, follow these steps:
  1. Disconnect from the Internet.
  2. Delete the Trojan file.
  3. Restart your computer.
  4. Take steps to prevent re-infection.

Disconnect from the Internet

To help ensure that your computer is not actively infecting other computers, disconnect it from the Internet before proceeding. Print this Web page or save a copy on your computer; then unplug your network cable and disable your wireless connection. You can reconnect to the Internet after completing these steps.

Delete the Trojan file

To delete the Trojan file
  1. Click Start, and click Run.
  2. In the Open field, type <system folder>\1019\msupdate, for example, C:\Windows\System\1019\msupdate
  3. Click OK.
  4. Click Name to sort files by name.
  5. If the file mstush.vxd is in the list, delete it.
  6. On the Desktop, right-click the Recycle Bin and click Empty Recycle Bin.
  7. Click Yes.
If deleting the file fails, follow these steps to verify that the file is not present:
  1. Press CTRL+ALT+DEL once and click Task Manager.
  2. Click Processes and click Image Name to sort the running processes by name.
  3. Confirm that mstush.vxd is not in the list.

Restart your computer

To restart your computer
  1. On the Start menu, click Shut Down.
  2. Select Restart from the drop-down list and click OK.

Take steps to prevent re-infection

Do not reconnect your computer to the Internet until the computer is protected from re-infection. See the "Preventing Infection" section for more information.
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